<template>
  <div style="padding: 10px">
    <div style="padding: 10px 0">
      <!--      功能区域-->
      <el-button type="primary" @click="add">新增</el-button>
      <el-button type="primary">导入</el-button>
      <el-button type="primary">导出</el-button>
    </div>
    <!--搜索区域-->
    <div style="margin: 10px 0">
      <el-input v-model="search" placeholder="请输入ID关键字" style="width: 20%" clearable="true"></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>
    </div>
    <el-table :data="tableData"
              border stripe
              style="width: 100% ">
      <el-table-column
          prop="id"
          label="ID"
          sortable>
      </el-table-column>

      <el-table-column
          prop="title"
          label="标题">
      </el-table-column>
      <el-table-column
          prop="price"
          label="价格">
      </el-table-column>
      <el-table-column
          prop="description"
          label="商品描述">
      </el-table-column>
      <el-table-column
          prop="createTime"
          label="上架时间">
      </el-table-column>
      <el-table-column
          label="商品图片">
        <template #default="scope">
          <el-image
              style="width: 100px; height: 100px"
              :src="scope.row.images"
              :preview-src-list="[scope.row.images]"
              preview-teleported="true"
          />
        </template>
      </el-table-column>
      <el-table-column
          prop="shangpu"
          label="商铺">
      </el-table-column>
      <el-table-column
          prop="remark"
          label="优惠备注">
      </el-table-column>

      <el-table-column label="操作">
        <template #default="scope">
          <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
          <el-popconfirm title="确认删除吗" @confirm="handleDelete(scope.row.id)">
            <template #reference>
              <el-button size="mini" type="danger">删除</el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>

    <div style="margin: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="currentPage"
          :page-sizes="[5, 10, 20]"
          :page-size="pageSize"
          :total="total"
          :disabled="disabled"
          layout="total, sizes, prev, pager, next, jumper">
      </el-pagination>


      <!--    新增用户弹窗-->
      <el-dialog
          v-model="dialogVisible"
          title="提示"
          width="30%">
        <el-form :model="form" label-width="80px" >
          <el-form-item label="标题">
            <el-input v-model="form.title" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="价格">
            <el-input v-model="form.price " style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="商品描述">
            <el-input v-model="form.description" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="上架时间">
            <el-date-picker v-model="form.createTime" value-format="YYYY-MM-DD" type="date" style="width: 80% "
                            clearable="true"></el-date-picker>
          </el-form-item>
          <el-form-item label="商铺">
            <el-input v-model="form.shangpu" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="优惠描述">
            <el-input v-model="form.remark" style="width: 80%"></el-input>
          </el-form-item>
          <el-form-item label="商品图片">
            <el-upload class="avatar-uploader" ref="upload" action="http://localhost:9090/files/upload" :on-success="filesUploadSuccess" >
              <template #trigger>
<!--                <el-button type="primary">点击上传</el-button>-->
                <img v-if="imageUrl" :src="imageUrl" class="avatar" />
                <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
              </template>
            </el-upload>
          </el-form-item>



        </el-form>
        <template #footer>
          <div class="dialog-footer">
            <el-button @click="dialogVisible = false">取消</el-button>
            <el-button type="primary" @click="save">确定</el-button>
          </div>
        </template>
      </el-dialog>

    </div>
  </div>
</template>


<script>



import request from "@/utils/request";

export default {
  name: 'Commoditys',
  components: {},
  data() {
    return {
      form: {},
      dialogVisible: false,
      search: '',
      currentPage: 1,
      pageSize: 10,
      total: 0,
      tableData: []
    }
  },
  created() {
    this.load()
  },
  methods: {
    filesUploadSuccess(res) {
      console.log(res)
      this.form.images = res.data
    },

    load() {
      request.get("/commoditys", {
        params: {
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          search: this.search
        }
      }).then(res => {
        console.log(res)
        this.tableData = res.data.records
        this.total = res.data.total
      })
    },
    add() {
      this.dialogVisible = true
      this.form = {} //清空前面数据
      if (this.$refs['upload']) {
        this.$refs['upload'].clearFiles() // 清除历史文件列表
      }

    },
    save() { // 保存
      if (this.form.id) {
        //更新
        request.put("/commoditys", this.form).then(res => {
          console.log(res)
          if (res.code === '200') {
            this.$message({
              type: "success",
              message: "更新成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.msg
            })
          }
          this.load() // 刷新表格的数据
          this.dialogVisible = false
        })
      } else {
        // 新增
        request.post("/commoditys", this.form).then(res => {

          console.log(res)
          if (res.code === '200') {
            this.$message({
              type: "success",
              message: "新增成功"
            })
          } else {
            this.$message({
              type: "error",
              message: res.msg
            })
          }
          this.load() // 刷新表格的数据
          this.dialogVisible = false
        })
      }

    },
    handleEdit(row) { // 编辑
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogVisible = true
      this.$nextTick(() => {  // $nextTick解决回调时报错问题
        if (this.$refs['upload']) {
          this.$refs['upload'].clearFiles() // 清除历史文件列表
        }
      })

    },
    handleSizeChange(pageSize) { // 改变当前每页的分数触发
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum) { // 改变当前页面触发
      this.currentPage = pageNum
      this.load()
    },
    handleDelete(id) {
      console.log(id)
      request.delete("/commoditys/" + id).then(res => {   //   /" + id通过这个映射到后台“/{id}”
        console.log(res)
        if (res.code === '200') {
          this.$message({
            type: "success",
            message: "删除成功"
          })
        } else {
          this.$message({
            type: "error",
            message: res.msg
          })
        }
        this.load() // 刷新表格的数据
      })
    }
  }
}


</script>

<style scoped>
.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>